550125018 has 24 divisors (see below), whose sum is σ = 1195147668. Its totient is φ = 182881152.

The previous prime is 550125013. The next prime is 550125053. The reversal of 550125018 is 810521055.

550125018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 530703369 + 19421649 = 23037^2 + 4407^2 .

It is a junction number, because it is equal to n+sod(n) for n = 550124982 and 550125000.

It is not an unprimeable number, because it can be changed into a prime (550125013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34255 + ... + 47682.

Almost surely, 2^550125018 is an apocalyptic number.

550125018 is an abundant number, since it is smaller than the sum of its proper divisors (645022650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550125018 is a wasteful number, since it uses less digits than its factorization.

550125018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82318 (or 82315 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 550125018 is about 23454.7440403855. The cubic root of 550125018 is about 819.3833446289.

The spelling of 550125018 in words is "five hundred fifty million, one hundred twenty-five thousand, eighteen".